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eBook: Mark Twain 1816-EB Science Experiments - Grade 5 - 8 eBook_Carson_Dellosa_EB_Essentials Unobstructed funnels to reduce jammingWith this comprehensive classroom supplement, students learn to focus on the scientific method and developing hypotheses. Topics covered include geology, oceanography, meteorology, astronomy, investigations into water salinity, radiation, planets, and more!